One platform, three disciplines
Cronitor centres on cron and heartbeat monitoring. PulseStack keeps that and folds uptime, SEO and security into the same account, so you are not stitching tools together to see the whole picture.
Cronitor alternative
Cronitor does cron, heartbeat and uptime monitoring well. PulseStack does all of that too, then adds SEO crawl monitoring, a light-touch Security Shield and nine monitor types in a single dashboard. One tool for uptime, SEO and security instead of three.
Free plan with no card required. 14-day trial on paid plans.
Uptime
Live
SEO
8 checks
Security
Grade A
9
monitor types
3
disciplines in one tool
8
native alert channels
GBP 0
to get started
Cronitor is a strong cron and heartbeat tool. Teams move to PulseStack when they want that plus everything else that keeps a site healthy, without paying for and logging into three separate products.
Cronitor centres on cron and heartbeat monitoring. PulseStack keeps that and folds uptime, SEO and security into the same account, so you are not stitching tools together to see the whole picture.
HTTP, Keyword, TCP Ping, Port, API, Heartbeat, SSL certificate, DNS record and domain expiry monitors all live under one roof. Your scheduled jobs and your public endpoints are watched by the same engine.
Free to start, then GBP 9, 19, 39 or 99 per month. No card for the Free plan, a 14-day trial on paid tiers and 20% off when you pay annually.
Eight SEO checks catch crawl, render and index problems that quietly erode organic traffic. That is a category a cron-first tool simply does not cover.
Ten light-touch security tests graded A to F watch TLS configuration, exposed ports, DNS email records and more, with zero agents to install. Security Shield is a separate subscription with a free headers audit for one site.
Eight native channels including Slack, Teams, Discord, PagerDuty, Telegram, SMS, Email and Webhooks, with maintenance windows to keep planned work quiet.
Uptime, SEO and security are three problems most teams solve with three vendors. PulseStack solves them in one.
HTTP, Keyword, API, Ping, Port, Heartbeat, SSL, DNS and domain expiry monitors, with multi-location checks, response-time tracking and status pages.
Eight SEO checks catch crawl, render, canonical and sitemap issues before they cost you rankings and organic traffic.
Ten light-touch tests graded A to F cover TLS configuration, exposed ports and DNS email records, with no agent to install.
Moving from a cron-focused tool does not mean giving up cron monitoring. Heartbeat is one of PulseStack's nine native monitor types. Each scheduled job pings a unique URL when it finishes, and if a job fails to check in within its expected window PulseStack alerts you straight away.
Heartbeat timeline
Everything you watch, from scheduled jobs to public endpoints, in the same place: the six below plus SSL certificate, DNS record and domain expiry monitors.
HTTP
Uptime, status codes and availability for any URL.
Keyword
Detect content changes or missing keywords on a page.
TCP Ping
Verify a host is reachable across regions.
Port
Watch open ports on servers and services.
API
Check REST endpoints for status and speed, with custom headers.
Heartbeat
Cron and scheduled-task check-ins, the Cronitor core.
Switching is a copy-and-paste job, not a project. Most teams are fully live the same afternoon.
Sign up in under a minute. No card required to start on the Free plan.
Add a Heartbeat monitor for each cron job and point the job at its unique ping URL.
Bring in HTTP and API monitors, plus SSL certificate, DNS record and domain expiry monitors, so uptime and jobs sit together.
Connect Slack, Teams, PagerDuty or SMS, set maintenance windows and publish a status page.
Flat monthly plans, a permanent free tier and 20% off when you pay annually. Every paid plan includes a 14-day trial.
Free
GBP 0
per month
5 HTTP monitors, 5-min checks, 1 status page, email alerts, no card
Starter
GBP 9
per month
50 monitors, 60-second checks, all nine monitor types, SSL, DNS and domain insights
Pro
GBP 19
per month
150 monitors, 30-second checks, competitor tracking
Team
GBP 39
per month
500 monitors, 30-second checks, server diagnostics, 3 seats
Enterprise
GBP 99
per month
2,000 monitors, 30-second checks, 5 seats
A single account covers what you would otherwise buy from several vendors.
Cronitor is known as a cron, heartbeat and uptime monitoring tool. Here is how PulseStack lines up, with our own capabilities stated in full.
| Capability | PulseStack | Cronitor |
|---|---|---|
| Cron and heartbeat monitoring | Native heartbeat monitor type | Core focus |
| Uptime and HTTP checks | Included, multi-location | Offered |
| Monitor types | Nine: HTTP, Keyword, Ping, Port, API, Heartbeat, SSL, DNS, Domain expiry | Cron and uptime focused |
| SEO crawl monitoring | Eight SEO checks built in | Not a stated focus |
| Security testing | Security Shield (separate subscription), ten light-touch tests A to F | Not a stated focus |
| Alert channels | Eight native channels | Uptime and cron alerting |
| Public status pages | Included from Free | Status pages available |
| Free plan | Permanent, no card | Free tier available |
Cronitor column reflects its widely known positioning as a cron, heartbeat and uptime tool.
Eight native channels, no third-party relay needed. Route each monitor to the right place.
Heartbeat monitors confirm nightly backups and data pipelines actually ran, and page you the moment one goes silent.
HTTP and API monitors from multiple regions catch outages before your customers do, backed by a live status page.
SEO crawl checks flag canonical, sitemap and render issues that quietly cost you rankings and traffic.
Port, SSL certificate, DNS record and domain expiry monitors watch the plumbing, with server diagnostics on Team and above.
Cronitor focuses on cron job and heartbeat monitoring plus uptime checks, and does that job well. PulseStack keeps Heartbeat monitoring as one of its six core monitor types and builds an all-in-one platform around it, adding SEO monitoring with eight checks and SSL, DNS and domain expiry insight, with a passive Security Shield of ten tests graded A to F available as a separate subscription. If you want your uptime, SEO and security signals in one place, PulseStack covers more ground.
Yes. Heartbeat monitoring is one of PulseStack's six core monitor types. Your job pings PulseStack on a schedule, and if a run is missed or late you get alerted through any of eight native channels including Slack, PagerDuty, Telegram and Webhooks.
No. Migration is a configuration task rather than a code change. You recreate your heartbeats and other checks in PulseStack, connect your alert channels, then run both tools side by side for a short period to confirm alerts behave as expected before retiring your Cronitor monitors.
PulseStack™ starts with a free plan for 5 monitors on HTTP checks with no card required, then Starter at GBP 9/mo, Pro at GBP 19/mo, Team at GBP 39/mo and Enterprise at GBP 99/mo, with annual billing saving 20%. Because uptime and SEO monitoring sit on one plan, with Security Shield available as a separate subscription, you can avoid paying for several separate tools.
Check frequency depends on your plan. The free plan runs every five minutes, Starter runs every 60 seconds, and Pro, Team and Enterprise check every 30 seconds. Website, API, ping and port checks run from all three locations to confirm an outage before you are alerted.
Keep the cron and heartbeat monitoring you rely on, and gain the rest of the stack in a single tool. Start free, no card required.